for those who stuck in activation screen
1-download tiny umbrella from
here
2-connect ur iphone to usb
3-open tiny umbrella & mark the iphone connected
4-tiny umbrella will tell u the model number of this iphone even if stuck on activation screen
5-enter ur iphone model number under search button in the
new OneSim tool kit will tell u the iphone's operator
6-insert ur OneSim Activation card into ur usb card reader
7-program ur card to the iphone's operator
8-insert ur OneSim into ur iphone & connect to itunes
9-DONE iphone is activated
B.R
Amr Ebreem